.navbar-default {
    background-color: rgb(243, 245, 243);
    height: 100px
}
.navbar-brand {
    padding-top: 0
}
.navbar-brand img {
    height: 75px
}
.navbar-nav {
    float: right;
    margin: 1% 0 0 0;
    font-size: 25px;
    font-weight: 900
}
.slide {
    margin-top: .5%
}
.introduce {
    margin: 0 25%;
    width: 100%;
    height: 100%
}
.introduce_font {
    display: inline-block
}
.introduce_img {
    display: inline-block
}
.introduce_font_a {
    font-size: 50px;
    color: #03FBADFF
}
.introduce_font_b {
    font-size: 25px
}
.section4 {
    width: 100%;
    left: 0;
    bottom: 0;
    color: #FFFFF;
    font-size: 15px
}
.section4 .elasticity {
    display: flex;
    justify-content: center;
    flex-wrap: wrap
}
.section4 .cont {
    margin-left: 50px;
    color: #000;
    border-radius: 30px;
    width: 250px;
    text-align: center
}
.section4 .cont1 {
    background-color: #A8DB75
}
.section4 .cont2 {
    background-color: #FFAF65
}
.section4 .cont3 {
    background-color: #70ACF4
}
.section4 .cont4 {
    background-color: #A8DB75
}
.container {
	font-size: 15px;
	color: #FFFFFFFF;
}